Experimental and numerical flow noise modeling of flow channelsin hydraulic components

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Abstract

Acoustic parameters of HN emission by perforated sleeve-dissector in outlet flow are investigated in details.
Experimental and numerical research of influence of flow channel configuration of perforation holes on flow noise density is done. Acoustic characteristics of different forms of channelslike diffuser, confusor and cylinder are studied. It is shown, that the most rational form of channel is cylinder, which have the minimal flow coefficient.

About the authors

A. N. Kryuchkov

Самарский государственный аэрокосмический университет имени академика С.П. Королёва (национальный исследовательский университет)

Email: kan@ssau.ru
Russian Federation

M. A. Ermilov

Самарский государственный аэрокосмический университет имени академика С.П. Королёва (национальный исследовательский университет)

Email: pas@ssau.ru
Russian Federation

E. G. Berestovitsky

Открытое акционерное общество «Концерн «НПО «Аврора»

Email: mail@avrorasystems.com
Russian Federation

P. I. Kizilov

Открытое акционерное общество «Концерн «НПО «Аврора»

Author for correspondence.
Email: mail@avrorasystems.com
Russian Federation

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Copyright (c) 2015 Journal of Dynamics and Vibroacoustics


Journal of Dynamics and Vibroacoustics

ISSN 2409-4579 (Online)

Publisher and Founder: Samara National Research University, 34, Moskovskoye shosse, Samara, 443086, Russian Federation.

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E. V. Shakhmatov 

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